for more, we turn to ken dilanian, who covers national security for the "los angeles times." >> ken, welcome to the program. so what's behind this decision on eric holder's part. >> well, a lot about this remains secret. this is a secret investigation of a classified operation. but what we know is that the justice department is saying they just couldn't make a case here, they're not say nothing crime was committed. and the other thing that it's important to understand about this is that these cases were not part of the enhanced interrogation technique program that the cia carried out. that conduct had already been investigated, no charges were filed. and holder had decided he wasn't going to hold anyone accountable for things they did pursuant to justice department leg opinion. so these were two cases in war zones where the allegations were the conduct exceeded the boundaries of what was permissible. >> even under those harsh interrogation techniques about which we heard and debated so much back when they came to light. so when he said the evidence wasn't admissible or there wasn't e